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A water cooler for drinking water should cool 25 L/h water
Chapter 5, Problem 32HP(choose chapter or problem)
Problem 32HP
A water cooler for drinking water should cool 25 L/h water from 18°C to 10°C while the water reservoirs also gains 60 W from heat transfer. Assume that a small refrigeration unit with a COP of 2.5 does the cooling. Find the total rate of cooling required and the power input to the unit.
Questions & Answers
QUESTION:
Problem 32HP
A water cooler for drinking water should cool 25 L/h water from 18°C to 10°C while the water reservoirs also gains 60 W from heat transfer. Assume that a small refrigeration unit with a COP of 2.5 does the cooling. Find the total rate of cooling required and the power input to the unit.
ANSWER:
Solution 32 HP
Step 1 of 5
We are required to find the total rate of cooling and power input